Chapter 1; Major Themes of A+P Flashcards
Anatomy
study of structure
Physiology
study of function
Inspection
looking at the body’s appearance
Palpation
feeling a structure with the hands
Auscultation
listening to the natural sounds made by the body
Percussion
tapping on the body, feeling for abnormal resistance, and listens to the emitted sound for scars of abnormalities
Dissection
cutting and separating tissues to reveal their relationships
Cadaver
dead human body
Comparative Anatomy
study of multiple species in order to examine similarities and differences and analyze evolutionary trends
Exploratory surgery
opening the body and taking a look inside to see what was wrong and what could be done about it
Medical Imaging
methods of viewing the inside of the body without surgery
Radiology
branch of medicine concerned with imaging
Gross Anatomy
structure that can be seen with the naked eye
Histology
microscopic anatomy
Histopathology
microscopic examination of tissues for signs of disease
Cytology
study of the structure and function of individual cells
Ultrastructure
fine detail, down to the molecular level, revealed by the electron microscope
Comparative Physiology
study of how different species have solved problems of life
Hippocrates
created the Hippocratic Oath
Aristotle
one of the first philosophers to write about anatomy and physiology
Claudius Galen
physician to the roman gladiators, wrote the most influential medical textbook of the ancient era
Robert Hooke
designed scientific instruments of various kinds, including the compound microscope
Antony van Leeuwenhock
invented a simple microscope
Theodor Schwann
concluded that all organisms were composed of cells
Inductive Method (first prescribed by Bacon)
process of making numerous observations until one feels confident in drawing generalizations and predictions from them
Negative Feedback
a process in which the body senses a change and activates mechanisms that negate or reverse it
Baroreflex
reflexive correction of blood pressure
Ligamentum Arteriosum
a small fibrous band near the heart
Extensor Carpi Radialis Longus
a forearm muscle
Sagittal Plane
passes vertically through the body of an organ and divides it into right and left portions
Median (midsagittal) Plane
plane that divides the body or organ into equal halves
Parasagittal Plane
unequal portions of sagittal planes
Frontal (coronal) Plane
extends vertically, but it is perpendicular to the sagittal plane and divides the body into anterior and posterior portions
Transverse (horizontal) Plane
divides the body into superior and inferior
Ventral
toward the front
Dorsal
toward the back
Anterior
toward the ventral side
Posterior
toward the dorsal side
Cephalic
toward the head or superior end
Rostral
toward the forehead or nose
Caudal
towards the tail or inferior end
Superior
Above
Inferior
Below
Medial
toward the median plane
Lateral
Away from the median plane
Proximal
closer to the point of attachment or origin
Distal
Farther from the point of attachment or origin
Ipsilateral
On the same side of the body (right or left)
Contralateral
On opposite sides of the body (right and left)
Superficial
Closer to the body surface
Deep
Farther from the body surface
Axial Region
head, neck, and trunk
Subcostal Line
superior horizontal line
Intertubular Line
inferior horizontal line that passes from left to right between the tubercles (anterior superior spines) of the pelvis
Hypochondriac Region
a region on either side of the abdomen beneath the cartilages of the false ribs, beside the epigastric, and above the lumbar region
Lumbar Region
Lower back and sides
Inguinal (iliac) Region
bottom right and bottom left region of abdomen
Epigastric Region
upper central region of the abdomen
Umbilical Region
Middle region of the abdomen
Hypogastric (pubic) Region
bottom middle region of abdomen
Femoral Region
thigh
Crural Region
leg
Tarsal Region
ankle
Pedal Region
foot
Digits
toes
Segment
region of a limb between one joint and the next
Cranial Cavity
enclosed by the cranium and contains the brain
Vertebral Cavity
enclosed by the vertebral column (spine) and contains the spinal cord.
Viscera
the organs contained in the body cavities
Visceral Layer
inner layer of an enveloping sac or bursa that lines the outer surface of the enveloped structure
Parietal Layer
outer layer of the pleural sac
Meninges
Three fibrous membranes between the central nervous system and surrounding bone, the dura mater, arachnoid mater, and pia mater
Coelom
space that forms within the trunk
Diaphragm
sheet of internal skeletal muscle that extends across the bottom of the thoracic cavity
Thoracic Cavity
body cavity that holds the heart and lungs
Abdominopelvic Cavity
body cavity that holds digestive organs, spleen, kidneys, bladder, rectum, and reproductive organs
Serous Membranes
a membrane that lines a body cavity or covers the external surfaces of the viscera; composed of a simple squamous mesothelium and a thin layer of areolar connective tissue
Mediastinum
the thick median partition of the thoracic cavity that separates one pleural cavity from the other and contains the heart, great blood vessels, esophagus, trachea, and thymus
Pericardium
outer most layer of the heart
Visceral Pericardium
innermost of the two layers of the pericardium
Parietal Pericardium (pericardial sac)
tough thickened membranous outer layer of the pericardium
Pericardial Cavity
body cavity that holds the heart
Pericardial Fluid
serous fluid that fills the pericardial cavity
Pleura
a double-walled serous membrane that encloses each lung
Visceral Pleura
thin layer of serous membrane tissue that adheres to the surface area of the lungs
Parietal Pleura
serous membrane that lines the pulmonary cavity
Pleural Cavity
Body cavity that holds the lungs
Pleural Fluid
fluid found between the layers of the pleura
Abdominal Cavity
the body cavity between the diaphragm and pelvic brim
Pelvic Cavity
body cavity that holds the bladder, rectum, and reproductive organs
Peritoneum
a serous membrane that lines the peritoneal cavity of the abdomen and covers the mesenteries and viscera
Parietal Peritoneum
lines the internal surface of the abdominopelvic wall
Visceral Peritoneum
the part of the peritoneum that lines the abdominal viscera
Peritoneal Cavity
space between the parietal peritoneum and visceral peritoneum
Peritoneal Fluid
fluid made in the abdominal cavity
Retroperitoneal
behind the peritoneum
Intraperitoneal
into the peritoneum
Mesentery
visceral peritoneum
Serosa
a thin epithelial membrane composed of a simple squamous epithelium overlying a thin layer of areolar tissue; covers the external surfaces of viscera and forms membranes
Posterior Mesentery
double layer of peritoneum
Mesocolon
posterior mesentery of the large intestine
Anterior Mesentery
mesentery that continues up the anterior body wall
Greater Omentum
large apron-like fold of visceral peritoneum that hangs down from the stomach
Lesser Omentum
peritoneal fold attached to the anterior surface of the transverse colon
Potential Spaces
Lumen